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Question : 81) Which of the following a common way to decrease : 1283658

Economics

 

 

81) Which of the following is a common way to decrease the IT spending of a company?

A) shifting to proprietary software

B) moving toward cloud computing

C) increasing in-house IT personnel

D) reducing outsourcing operations

 

82) Which of the following is the best example of the strategic use of IT?

A) maintaining the IT systems of a company

B) establishing a data center to store key information

C) transforming the business model of an organization

D) licensing the software that a company will use

 

83) IT acts as a strategic enabler when ________.

A) it is used to manage day-to-day operations

B) it focuses on the growth of an organization

C) it is used to create work schedules

D) employees learn to use IT services

84) Which of the following is a tool used to reduce health care costs by digitizing patient history and treatment records, and making them available to health care providers as needed?

A) magnetic resonance imaging

B) ultrasonography

C) medical imaging

D) electronic medical record systems

 

85) Which of the following is a feature of nonprofit organizations that differentiate them from for-profit organizations?

A) lack of shareholders

B) lack of target customers

C) lack of stakeholders

D) lack of products or services

 

86) Which of the following statements is true about the IT strategy of nonprofit organizations?

A) Nonprofit organizations have no shareholders and do not require a dedicated strategy.

B) Nonprofit organizations do not require significant IT support unless they are transformational in nature.

C) Nonprofit organizations need IT support and strategy to achieve their objectives.

D) Nonprofit organizations may not invest in IT if their objectives are directly related to IT.

 

87) Which of the following is a strong reason to believe that IT is essential to manage nonprofit businesses?

A) Some of the nonprofit organizations engage in sales and marketing.

B) Operational requirements for nonprofits are similar to for-profit businesses.

C) Most nonprofit organizations have a concealed profit motive.

D) Many nonprofit organizations are supported and funded by for-profit businesses.

88) Why are the operational requirements to run nonprofits considered similar to for-profit businesses?

A) Operations such as payroll, accounting and finance, and human resources are essential for nonprofits.

B) Most of the nonprofit organizations generate profit in some way, and operations are essential for tax planning.

C) The procedural objectives for for-profit organizations and nonprofit organizations are the same.

D) The branding requirements for for-profit organizations and nonprofit organizations are the same.

 

89) E-government involves ________.

A) a supply chain system specifically designed for governmental trade

B) governmental involvement in conducting e-commerce

C) a government elected through online voting

D) efforts to make unclassified information available to citizens online

 

90) Which of the following is a major difference between a government’s IT mission and the IT mission of a nonprofit organization?

A) Governmental issues involve financial transactions, whereas nonprofits do not perform financial transactions using technology.

B) Governmental issues will include aspects such as regulation and defense, whereas such issues will not concern nonprofit organizations.

C) Governmental issues are limited to e-governance and tax collection, whereas nonprofits involve a variety of issues such as education and health.

D) Governmental issues are strategic in nature, whereas the nonprofits’ issues are operational in nature.

 

 

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July 1, 2023
    

  

Artificial Intelligence

Exercise 1 : 

Which of the following are correct?

a. False |= True.

b. True |= False.

c. (A ∧ B) |= (A ⇔ B).

d. A ⇔ B |= A ∨ B.

e. A ⇔ B |= ¬A ∨ B.

f. (A ∧ B) ⇒ C |= (A ⇒ C) ∨ (B ⇒ C).

g. (C ∨ (¬A ∧ ¬B)) ≡ ((A ⇒ C) ∧ (B ⇒ C)).

h. (A ∨ B) ∧ (¬C ∨ ¬D ∨ E) |= (A ∨ B).

i. (A ∨ B) ∧ (¬C ∨ ¬D ∨ E) |= (A ∨ B) ∧ (¬D ∨ E).

j. (A ∨ B) ∧ ¬(A ⇒ B) is satisfiable.

k. (A ⇔ B) ∧ (¬A ∨ B) is satisfiable.

l. (A ⇔ B) ⇔ C has the same number of models as (A ⇔ B) for any fixed set of proposition symbols that includes A, B, C.

Exercise 2 : 

You have a number of trucks with which to deliver a set of packages. Each package starts at some location on a grid map, and has a destination somewhere else. Each truck is directly controlled by moving forward and turning. Construct a hierarchy of high-level actions for this problem. What knowledge about the solution does your hierarchy encode?

Exercise 3 : 25 Points

In your local nuclear power station, there is an alarm that senses when a temperature gauge exceeds a given threshold. The gauge measures the temperature of the core. Consider the Boolean variables A (alarm sounds), FA (alarm is faulty), and FG (gauge is faulty) and the multivalued nodes G (gauge reading) and T (actual core temperature).

a. Draw a Bayesian network for this domain, given that the gauge is more likely to fail when the core temperature gets too high.

b. Is your network a polytree? Why or why not?

c. Suppose there are just two possible actual and measured temperatures, normal and high; the probability that the gauge gives the correct temperature is x when it is working, but y when it is faulty. Give the conditional probability table associated with G.

d. Suppose the alarm works correctly unless it is faulty, in which case it never sounds. Give the conditional probability table associated with A.

e. Suppose the alarm and gauge are working and the alarm sounds. Calculate an expression for the probability that the temperature of the core is too high, in terms of the various conditional probabilities in the network.

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July 1, 2023
    

  

Artificial Intelligence

Exercise 1 : 

Which of the following are correct?

a. False |= True.

b. True |= False.

c. (A ∧ B) |= (A ⇔ B).

d. A ⇔ B |= A ∨ B.

e. A ⇔ B |= ¬A ∨ B.

f. (A ∧ B) ⇒ C |= (A ⇒ C) ∨ (B ⇒ C).

g. (C ∨ (¬A ∧ ¬B)) ≡ ((A ⇒ C) ∧ (B ⇒ C)).

h. (A ∨ B) ∧ (¬C ∨ ¬D ∨ E) |= (A ∨ B).

i. (A ∨ B) ∧ (¬C ∨ ¬D ∨ E) |= (A ∨ B) ∧ (¬D ∨ E).

j. (A ∨ B) ∧ ¬(A ⇒ B) is satisfiable.

k. (A ⇔ B) ∧ (¬A ∨ B) is satisfiable.

l. (A ⇔ B) ⇔ C has the same number of models as (A ⇔ B) for any fixed set of proposition symbols that includes A, B, C.

Exercise 2 : 

You have a number of trucks with which to deliver a set of packages. Each package starts at some location on a grid map, and has a destination somewhere else. Each truck is directly controlled by moving forward and turning. Construct a hierarchy of high-level actions for this problem. What knowledge about the solution does your hierarchy encode?

Exercise 3 : 25 Points

In your local nuclear power station, there is an alarm that senses when a temperature gauge exceeds a given threshold. The gauge measures the temperature of the core. Consider the Boolean variables A (alarm sounds), FA (alarm is faulty), and FG (gauge is faulty) and the multivalued nodes G (gauge reading) and T (actual core temperature).

a. Draw a Bayesian network for this domain, given that the gauge is more likely to fail when the core temperature gets too high.

b. Is your network a polytree? Why or why not?

c. Suppose there are just two possible actual and measured temperatures, normal and high; the probability that the gauge gives the correct temperature is x when it is working, but y when it is faulty. Give the conditional probability table associated with G.

d. Suppose the alarm works correctly unless it is faulty, in which case it never sounds. Give the conditional probability table associated with A.

e. Suppose the alarm and gauge are working and the alarm sounds. Calculate an expression for the probability that the temperature of the core is too high, in terms of the various conditional probabilities in the network.

default image
July 1, 2023
    

  

Artificial Intelligence

Exercise 1 : 

Which of the following are correct?

a. False |= True.

b. True |= False.

c. (A ∧ B) |= (A ⇔ B).

d. A ⇔ B |= A ∨ B.

e. A ⇔ B |= ¬A ∨ B.

f. (A ∧ B) ⇒ C |= (A ⇒ C) ∨ (B ⇒ C).

g. (C ∨ (¬A ∧ ¬B)) ≡ ((A ⇒ C) ∧ (B ⇒ C)).

h. (A ∨ B) ∧ (¬C ∨ ¬D ∨ E) |= (A ∨ B).

i. (A ∨ B) ∧ (¬C ∨ ¬D ∨ E) |= (A ∨ B) ∧ (¬D ∨ E).

j. (A ∨ B) ∧ ¬(A ⇒ B) is satisfiable.

k. (A ⇔ B) ∧ (¬A ∨ B) is satisfiable.

l. (A ⇔ B) ⇔ C has the same number of models as (A ⇔ B) for any fixed set of proposition symbols that includes A, B, C.

Exercise 2 : 

You have a number of trucks with which to deliver a set of packages. Each package starts at some location on a grid map, and has a destination somewhere else. Each truck is directly controlled by moving forward and turning. Construct a hierarchy of high-level actions for this problem. What knowledge about the solution does your hierarchy encode?

Exercise 3 : 25 Points

In your local nuclear power station, there is an alarm that senses when a temperature gauge exceeds a given threshold. The gauge measures the temperature of the core. Consider the Boolean variables A (alarm sounds), FA (alarm is faulty), and FG (gauge is faulty) and the multivalued nodes G (gauge reading) and T (actual core temperature).

a. Draw a Bayesian network for this domain, given that the gauge is more likely to fail when the core temperature gets too high.

b. Is your network a polytree? Why or why not?

c. Suppose there are just two possible actual and measured temperatures, normal and high; the probability that the gauge gives the correct temperature is x when it is working, but y when it is faulty. Give the conditional probability table associated with G.

d. Suppose the alarm works correctly unless it is faulty, in which case it never sounds. Give the conditional probability table associated with A.

e. Suppose the alarm and gauge are working and the alarm sounds. Calculate an expression for the probability that the temperature of the core is too high, in terms of the various conditional probabilities in the network.

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